55011108975 has 48 divisors (see below), whose sum is σ = 95821843200. Its totient is φ = 27770929920.

The previous prime is 55011108863. The next prime is 55011109007. The reversal of 55011108975 is 57980111055.

It is not a de Polignac number, because 55011108975 - 2¹⁰ = 55011107951 is a prime.

It is a super-2 number, since 2×55011108975² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1683846 + ... + 1716204.

It is an arithmetic number, because the mean of its divisors is an integer number (1996288400).

Almost surely, 2^55011108975 is an apocalyptic number.

55011108975 is a deficient number, since it is larger than the sum of its proper divisors (40810734225).

55011108975 is a wasteful number, since it uses less digits than its factorization.

55011108975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33584 (or 33579 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 42.

The spelling of 55011108975 in words is "fifty-five billion, eleven million, one hundred eight thousand, nine hundred seventy-five".